The following is stated on Amazon Product Description:
Pure Mounts PM-wire 37 ... max. VESA 200x200, up to 42 inches (106 cm) ...
The following is stated on the product packaging:
Pure Mounts PM-wire 37, VESA 200x200, 17-37 inches (94 cm)
Uuuups, .... love men's product manager of Amazon:
Perhaps it again with Pure Mounts a small clear the air
lead !?